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 TM 55-1905-220-14-10
5-19.2. IDLER GEAR - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
TEST (Cont)
4. Tie one end of a piece of lintless
1/8" cord around a 1/8" round piece
of wood (or soft metal stock). Place
wood between two of the gear teeth
and wrap the cord around the gear
several times as shown. Attach the
other end of the cord to a spring
scale. Maintain a steady pull on the
cord and scale, 900 to the axis of
the hub, and note the pull, in
pounds and ounces, required to
start the gear rotating. Make several
checks to obtain an average
reading. If the pull is within 1-1/4 lb
(5.56 N) minimum to 6 lbs. 12 oz.
(30.03 N) maximum, and does not
fluctuate more than 2 lbs 11 oz.
(11.98 N), the idler gear and bearing
assembly is satisfactory for use.
5-352
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